(S)-N-((2S,3R)-4-((1S,3R)-3-(allyloxy)-6-methoxy-2,3-dihydro-1H-inden-1-ylamino)-1-(3,5-difluorophenyl)-3-hydroxybutan-2-yl)-2-(2-oxopyrrolidin-1-yl)pent-4-enamide trifluoroacetate                                                                                                                                                              在
                                                                                                                                         
Hoveyda-Grubbs catalyst second generation                                                                                                                                                                          作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                                                        以70%的产率得到(1S,4R,5S,8S,14R)-5-(3,5-difluoro-benzyl)-4-hydroxy-18-methoxy-8-(2-oxo-pyrrolidin-1-yl)-13-oxa-2,6-diaza-tricyclo[12.6.1.0
15,20]henicosa-10,15(20),16,18-tetraen-7-one trifluoroacetate